1. Energy transformation Ironing clothes takes out their wrinkles and makes them smooth. This takes heat, which is one type of energy. In the iron, electrical energy is used, and it is transformed into heat energy.

2.The battery has chemical energy. When the flashlight is turned on, the chemical energy is first transformed into electrical energy and then into light energy. CHEMICAL bonds. It is released during a chemical reaction (change).

3.BATTERY CONSISTS OF CHEMICAL ENERGY. WHEN OUR RADIO IS OPERATED BY INSERTING BATTERY INTO IT,CHEMICAL ENERGY IN BATTERY IS CONVERTED INTO SOUND ENERGY AND THUS WE HEAR SOUND FROM THE RADIO.

4.The fan converts electric energy into kinetic energy that does work, and it converts some electric energy into heat.

5.When we release the winding key the spring tries to attain its original shape. During this process, the potential energy stored in it gets converted to kinetic energy. This turns the wheels of the toy car.

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